<span>I think the answer is A test cross can be used to: study how traits are inherited. </span>
Well, the cell wall only appears in plant cell along with the chloroplast which is the energy making of the plant cell.
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Answer:
The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins.
Answer: Snails have soft bodies and are protected by shells, which are the characteristics of gastropods mollusks.